HBASE-17712 Remove/Simplify the logic of RegionScannerImpl.handleFileNotFound
This commit is contained in:
parent
c42a0665b9
commit
58c76192bd
|
@ -202,6 +202,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
public static final String HREGION_MVCC_PRE_ASSIGN = "hbase.hregion.mvcc.preassign";
|
||||
public static final boolean DEFAULT_HREGION_MVCC_PRE_ASSIGN = true;
|
||||
|
||||
public static final String HREGION_UNASSIGN_FOR_FNFE = "hbase.hregion.unassign.for.fnfe";
|
||||
public static final boolean DEFAULT_HREGION_UNASSIGN_FOR_FNFE = true;
|
||||
|
||||
/**
|
||||
* This is the global default value for durability. All tables/mutations not
|
||||
* defining a durability or using USE_DEFAULT will default to this value.
|
||||
|
@ -238,9 +241,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
protected volatile long lastReplayedOpenRegionSeqId = -1L;
|
||||
protected volatile long lastReplayedCompactionSeqId = -1L;
|
||||
|
||||
// collects Map(s) of Store to sequence Id when handleFileNotFound() is involved
|
||||
protected List<Map> storeSeqIds = new ArrayList<>();
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
// Members
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
@ -642,6 +642,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
private final NavigableMap<byte[], Integer> replicationScope = new TreeMap<>(
|
||||
Bytes.BYTES_COMPARATOR);
|
||||
|
||||
// whether to unassign region if we hit FNFE
|
||||
private final RegionUnassigner regionUnassigner;
|
||||
/**
|
||||
* HRegion constructor. This constructor should only be used for testing and
|
||||
* extensions. Instances of HRegion should be instantiated with the
|
||||
|
@ -800,6 +802,13 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
false :
|
||||
conf.getBoolean(HConstants.ENABLE_CLIENT_BACKPRESSURE,
|
||||
HConstants.DEFAULT_ENABLE_CLIENT_BACKPRESSURE);
|
||||
boolean unassignForFNFE =
|
||||
conf.getBoolean(HREGION_UNASSIGN_FOR_FNFE, DEFAULT_HREGION_UNASSIGN_FOR_FNFE);
|
||||
if (unassignForFNFE) {
|
||||
this.regionUnassigner = new RegionUnassigner(rsServices, fs.getRegionInfo());
|
||||
} else {
|
||||
this.regionUnassigner = null;
|
||||
}
|
||||
}
|
||||
|
||||
void setHTableSpecificConf() {
|
||||
|
@ -1536,7 +1545,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
status.setStatus("Running coprocessor pre-close hooks");
|
||||
this.coprocessorHost.preClose(abort);
|
||||
}
|
||||
|
||||
status.setStatus("Disabling compacts and flushes for region");
|
||||
boolean canFlush = true;
|
||||
synchronized (writestate) {
|
||||
|
@ -1697,7 +1705,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
}
|
||||
// stop the Compacted hfile discharger
|
||||
if (this.compactedFileDischarger != null) this.compactedFileDischarger.cancel(true);
|
||||
|
||||
status.markComplete("Closed");
|
||||
LOG.info("Closed " + this);
|
||||
return result;
|
||||
|
@ -5070,15 +5077,11 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
}
|
||||
}
|
||||
|
||||
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "NN_NAKED_NOTIFY",
|
||||
justification = "Notify is about post replay. Intentional")
|
||||
@Override
|
||||
public boolean refreshStoreFiles() throws IOException {
|
||||
return refreshStoreFiles(false);
|
||||
}
|
||||
|
||||
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="NN_NAKED_NOTIFY",
|
||||
justification="Notify is about post replay. Intentional")
|
||||
protected boolean refreshStoreFiles(boolean force) throws IOException {
|
||||
if (!force && ServerRegionReplicaUtil.isDefaultReplica(this.getRegionInfo())) {
|
||||
if (ServerRegionReplicaUtil.isDefaultReplica(this.getRegionInfo())) {
|
||||
return false; // if primary nothing to do
|
||||
}
|
||||
|
||||
|
@ -5110,7 +5113,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
|
||||
// see whether we can drop the memstore or the snapshot
|
||||
if (storeSeqId > maxSeqIdBefore) {
|
||||
|
||||
if (writestate.flushing) {
|
||||
// only drop memstore snapshots if they are smaller than last flush for the store
|
||||
if (this.prepareFlushResult.flushOpSeqId <= storeSeqId) {
|
||||
|
@ -5150,18 +5152,11 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
}
|
||||
}
|
||||
if (!map.isEmpty()) {
|
||||
if (!force) {
|
||||
for (Map.Entry<Store, Long> entry : map.entrySet()) {
|
||||
// Drop the memstore contents if they are now smaller than the latest seen flushed file
|
||||
totalFreedDataSize += dropMemstoreContentsForSeqId(entry.getValue(), entry.getKey())
|
||||
.getDataSize();
|
||||
}
|
||||
} else {
|
||||
synchronized (storeSeqIds) {
|
||||
// don't try to acquire write lock of updatesLock now
|
||||
storeSeqIds.add(map);
|
||||
}
|
||||
}
|
||||
}
|
||||
// C. Finally notify anyone waiting on memstore to clear:
|
||||
// e.g. checkResources().
|
||||
|
@ -5844,12 +5839,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
try {
|
||||
for (Map.Entry<byte[], NavigableSet<byte[]>> entry : scan.getFamilyMap().entrySet()) {
|
||||
Store store = stores.get(entry.getKey());
|
||||
KeyValueScanner scanner;
|
||||
try {
|
||||
scanner = store.getScanner(scan, entry.getValue(), this.readPt);
|
||||
} catch (FileNotFoundException e) {
|
||||
throw handleFileNotFound(e);
|
||||
}
|
||||
KeyValueScanner scanner = store.getScanner(scan, entry.getValue(), this.readPt);
|
||||
instantiatedScanners.add(scanner);
|
||||
if (this.filter == null || !scan.doLoadColumnFamiliesOnDemand()
|
||||
|| this.filter.isFamilyEssential(entry.getKey())) {
|
||||
|
@ -5873,8 +5863,20 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
}
|
||||
}
|
||||
|
||||
private void handleFileNotFound(Throwable fnfe) {
|
||||
// Try reopenning the region since we have lost some storefiles.
|
||||
// See HBASE-17712 for more details.
|
||||
LOG.warn("A store file got lost", fnfe);
|
||||
if (regionUnassigner != null) {
|
||||
regionUnassigner.unassign();
|
||||
}
|
||||
}
|
||||
|
||||
private IOException handleException(List<KeyValueScanner> instantiatedScanners,
|
||||
Throwable t) {
|
||||
if (t instanceof FileNotFoundException) {
|
||||
handleFileNotFound(t);
|
||||
}
|
||||
// remove scaner read point before throw the exception
|
||||
scannerReadPoints.remove(this);
|
||||
if (storeHeap != null) {
|
||||
|
@ -5957,15 +5959,20 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
throw new UnknownScannerException("Scanner was closed");
|
||||
}
|
||||
boolean moreValues = false;
|
||||
try {
|
||||
if (outResults.isEmpty()) {
|
||||
// Usually outResults is empty. This is true when next is called
|
||||
// to handle scan or get operation.
|
||||
moreValues = nextInternal(outResults, scannerContext);
|
||||
} else {
|
||||
List<Cell> tmpList = new ArrayList<>();
|
||||
List<Cell> tmpList = new ArrayList<Cell>();
|
||||
moreValues = nextInternal(tmpList, scannerContext);
|
||||
outResults.addAll(tmpList);
|
||||
}
|
||||
} catch (FileNotFoundException e) {
|
||||
handleFileNotFound(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
// If the size limit was reached it means a partial Result is being returned. Returning a
|
||||
// partial Result means that we should not reset the filters; filters should only be reset in
|
||||
|
@ -6014,7 +6021,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
boolean tmpKeepProgress = scannerContext.getKeepProgress();
|
||||
// Scanning between column families and thus the scope is between cells
|
||||
LimitScope limitScope = LimitScope.BETWEEN_CELLS;
|
||||
try {
|
||||
do {
|
||||
// We want to maintain any progress that is made towards the limits while scanning across
|
||||
// different column families. To do this, we toggle the keep progress flag on during calls
|
||||
|
@ -6030,17 +6036,14 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
return scannerContext.setScannerState(NextState.BATCH_LIMIT_REACHED).hasMoreValues();
|
||||
} else if (scannerContext.checkSizeLimit(limitScope)) {
|
||||
ScannerContext.NextState state =
|
||||
moreCellsInRow? NextState.SIZE_LIMIT_REACHED_MID_ROW: NextState.SIZE_LIMIT_REACHED;
|
||||
moreCellsInRow ? NextState.SIZE_LIMIT_REACHED_MID_ROW : NextState.SIZE_LIMIT_REACHED;
|
||||
return scannerContext.setScannerState(state).hasMoreValues();
|
||||
} else if (scannerContext.checkTimeLimit(limitScope)) {
|
||||
ScannerContext.NextState state =
|
||||
moreCellsInRow? NextState.TIME_LIMIT_REACHED_MID_ROW: NextState.TIME_LIMIT_REACHED;
|
||||
moreCellsInRow ? NextState.TIME_LIMIT_REACHED_MID_ROW : NextState.TIME_LIMIT_REACHED;
|
||||
return scannerContext.setScannerState(state).hasMoreValues();
|
||||
}
|
||||
} while (moreCellsInRow);
|
||||
} catch (FileNotFoundException e) {
|
||||
throw handleFileNotFound(e);
|
||||
}
|
||||
return nextKv != null;
|
||||
}
|
||||
|
||||
|
@ -6389,35 +6392,14 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
result = this.joinedHeap.requestSeek(kv, true, true) || result;
|
||||
}
|
||||
} catch (FileNotFoundException e) {
|
||||
throw handleFileNotFound(e);
|
||||
handleFileNotFound(e);
|
||||
throw e;
|
||||
} finally {
|
||||
closeRegionOperation();
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
private IOException handleFileNotFound(FileNotFoundException fnfe) throws IOException {
|
||||
// tries to refresh the store files, otherwise shutdown the RS.
|
||||
// TODO: add support for abort() of a single region and trigger reassignment.
|
||||
try {
|
||||
region.refreshStoreFiles(true);
|
||||
return new IOException("unable to read store file");
|
||||
} catch (IOException e) {
|
||||
String msg = "a store file got lost: " + fnfe.getMessage();
|
||||
LOG.error("unable to refresh store files", e);
|
||||
abortRegionServer(msg);
|
||||
return new NotServingRegionException(
|
||||
getRegionInfo().getRegionNameAsString() + " is closing");
|
||||
}
|
||||
}
|
||||
|
||||
private void abortRegionServer(String msg) throws IOException {
|
||||
if (rsServices instanceof HRegionServer) {
|
||||
((HRegionServer)rsServices).abort(msg);
|
||||
}
|
||||
throw new UnsupportedOperationException("not able to abort RS after: " + msg);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void shipped() throws IOException {
|
||||
if (storeHeap != null) {
|
||||
|
@ -7220,29 +7202,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
return increment(increment, HConstants.NO_NONCE, HConstants.NO_NONCE);
|
||||
}
|
||||
|
||||
// dropMemstoreContentsForSeqId() would acquire write lock of updatesLock
|
||||
// We perform this operation outside of the read lock of updatesLock to avoid dead lock
|
||||
// See HBASE-16304
|
||||
@SuppressWarnings("unchecked")
|
||||
private void dropMemstoreContents() throws IOException {
|
||||
MemstoreSize totalFreedSize = new MemstoreSize();
|
||||
while (!storeSeqIds.isEmpty()) {
|
||||
Map<Store, Long> map = null;
|
||||
synchronized (storeSeqIds) {
|
||||
if (storeSeqIds.isEmpty()) break;
|
||||
map = storeSeqIds.remove(storeSeqIds.size()-1);
|
||||
}
|
||||
for (Map.Entry<Store, Long> entry : map.entrySet()) {
|
||||
// Drop the memstore contents if they are now smaller than the latest seen flushed file
|
||||
totalFreedSize
|
||||
.incMemstoreSize(dropMemstoreContentsForSeqId(entry.getValue(), entry.getKey()));
|
||||
}
|
||||
}
|
||||
if (totalFreedSize.getDataSize() > 0) {
|
||||
LOG.debug("Freed " + totalFreedSize.getDataSize() + " bytes from memstore");
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Result increment(Increment mutation, long nonceGroup, long nonce)
|
||||
throws IOException {
|
||||
|
@ -7306,10 +7265,6 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
|
|||
writeEntry = null;
|
||||
} finally {
|
||||
this.updatesLock.readLock().unlock();
|
||||
// For increment/append, a region scanner for doing a get operation could throw
|
||||
// FileNotFoundException. So we call dropMemstoreContents() in finally block
|
||||
// after releasing read lock
|
||||
dropMemstoreContents();
|
||||
}
|
||||
// If results is null, then client asked that we not return the calculated results.
|
||||
return results != null && returnResults? Result.create(results): Result.EMPTY_RESULT;
|
||||
|
|
|
@ -3651,4 +3651,9 @@ public class HRegionServer extends HasThread implements
|
|||
return new LockServiceClient(conf, lockStub, clusterConnection.getNonceGenerator())
|
||||
.regionLock(regionInfos, description, abort);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void unassign(byte[] regionName) throws IOException {
|
||||
clusterConnection.getAdmin().unassign(regionName, false);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -273,4 +273,14 @@ public interface RegionServerServices extends OnlineRegions, FavoredNodesForRegi
|
|||
*/
|
||||
EntityLock regionLock(List<HRegionInfo> regionInfos, String description,
|
||||
Abortable abort) throws IOException;
|
||||
|
||||
/**
|
||||
* Unassign the given region from the current regionserver and assign it randomly. Could still be
|
||||
* assigned to us. This is used to solve some tough problems for which you need to reset the state
|
||||
* of a region. For example, if you hit FileNotFound exception and want to refresh the store file
|
||||
* list.
|
||||
* <p>
|
||||
* See HBASE-17712 for more details.
|
||||
*/
|
||||
void unassign(byte[] regionName) throws IOException;
|
||||
}
|
||||
|
|
|
@ -0,0 +1,68 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hbase.regionserver;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.hbase.HRegionInfo;
|
||||
import org.apache.hadoop.hbase.classification.InterfaceAudience;
|
||||
|
||||
/**
|
||||
* Used to unssign a region when we hit FNFE.
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
class RegionUnassigner {
|
||||
|
||||
private static final Log LOG = LogFactory.getLog(RegionUnassigner.class);
|
||||
|
||||
private final RegionServerServices rsServices;
|
||||
|
||||
private final HRegionInfo regionInfo;
|
||||
|
||||
private boolean unassigning = false;
|
||||
|
||||
RegionUnassigner(RegionServerServices rsServices, HRegionInfo regionInfo) {
|
||||
this.rsServices = rsServices;
|
||||
this.regionInfo = regionInfo;
|
||||
}
|
||||
|
||||
synchronized void unassign() {
|
||||
if (unassigning) {
|
||||
return;
|
||||
}
|
||||
unassigning = true;
|
||||
new Thread("Unassign-" + regionInfo) {
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
LOG.info("Unassign " + regionInfo.getRegionNameAsString());
|
||||
try {
|
||||
rsServices.unassign(regionInfo.getRegionName());
|
||||
} catch (IOException e) {
|
||||
LOG.warn("Unassigned " + regionInfo.getRegionNameAsString() + " failed", e);
|
||||
} finally {
|
||||
synchronized (RegionUnassigner.this) {
|
||||
unassigning = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}.start();
|
||||
}
|
||||
}
|
|
@ -615,7 +615,15 @@ public class AsyncFSWAL extends AbstractFSWAL<AsyncWriter> {
|
|||
break;
|
||||
}
|
||||
} else {
|
||||
throw e.unwrapRemoteException();
|
||||
IOException ioe = e.unwrapRemoteException();
|
||||
// this usually means master already think we are dead so let's fail all the pending
|
||||
// syncs. The shutdown process of RS will wait for all regions to be closed before calling
|
||||
// WAL.close so if we do not wake up the thread blocked by sync here it will cause dead
|
||||
// lock.
|
||||
if (e.getMessage().contains("Parent directory doesn't exist:")) {
|
||||
syncFutures.forEach(f -> f.done(f.getTxid(), ioe));
|
||||
}
|
||||
throw ioe;
|
||||
}
|
||||
} catch (NameNodeException e) {
|
||||
throw e;
|
||||
|
@ -696,6 +704,8 @@ public class AsyncFSWAL extends AbstractFSWAL<AsyncWriter> {
|
|||
this.writer.close();
|
||||
this.writer = null;
|
||||
closeExecutor.shutdown();
|
||||
IOException error = new IOException("WAL has been closed");
|
||||
syncFutures.forEach(f -> f.done(f.getTxid(), error));
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
|
@ -356,4 +356,8 @@ public class MockRegionServerServices implements RegionServerServices {
|
|||
public SecureBulkLoadManager getSecureBulkLoadManager() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void unassign(byte[] regionName) throws IOException {
|
||||
}
|
||||
}
|
||||
|
|
|
@ -716,4 +716,8 @@ ClientProtos.ClientService.BlockingInterface, RegionServerServices {
|
|||
public SecureBulkLoadManager getSecureBulkLoadManager() {
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void unassign(byte[] regionName) throws IOException {
|
||||
}
|
||||
}
|
||||
|
|
|
@ -0,0 +1,164 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hbase.regionserver;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.fail;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hbase.CoordinatedStateManager;
|
||||
import org.apache.hadoop.hbase.HBaseTestingUtility;
|
||||
import org.apache.hadoop.hbase.HConstants;
|
||||
import org.apache.hadoop.hbase.TableName;
|
||||
import org.apache.hadoop.hbase.Waiter.ExplainingPredicate;
|
||||
import org.apache.hadoop.hbase.YouAreDeadException;
|
||||
import org.apache.hadoop.hbase.client.Get;
|
||||
import org.apache.hadoop.hbase.client.Put;
|
||||
import org.apache.hadoop.hbase.client.Table;
|
||||
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
||||
import org.apache.hadoop.hbase.testclassification.RegionServerTests;
|
||||
import org.apache.hadoop.hbase.util.Bytes;
|
||||
import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
|
||||
import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;
|
||||
import org.apache.hadoop.hbase.wal.FSHLogProvider;
|
||||
import org.apache.hadoop.hbase.wal.WALFactory;
|
||||
import org.apache.hadoop.hbase.wal.WALProvider;
|
||||
import org.apache.hadoop.hbase.zookeeper.ZKUtil;
|
||||
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.experimental.categories.Category;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Parameterized;
|
||||
import org.junit.runners.Parameterized.Parameter;
|
||||
import org.junit.runners.Parameterized.Parameters;
|
||||
|
||||
/**
|
||||
* This testcase is used to ensure that the compaction marker will fail a compaction if the RS is
|
||||
* already dead. It can not eliminate FNFE when scanning but it does reduce the possibility a lot.
|
||||
*/
|
||||
@RunWith(Parameterized.class)
|
||||
@Category({ RegionServerTests.class, LargeTests.class })
|
||||
public class TestCompactionInDeadRegionServer {
|
||||
|
||||
private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
|
||||
|
||||
private static final TableName TABLE_NAME = TableName.valueOf("test");
|
||||
|
||||
private static final byte[] CF = Bytes.toBytes("cf");
|
||||
|
||||
private static final byte[] CQ = Bytes.toBytes("cq");
|
||||
|
||||
public static final class IgnoreYouAreDeadRS extends HRegionServer {
|
||||
|
||||
public IgnoreYouAreDeadRS(Configuration conf) throws IOException, InterruptedException {
|
||||
super(conf);
|
||||
}
|
||||
|
||||
public IgnoreYouAreDeadRS(Configuration conf, CoordinatedStateManager csm) throws IOException {
|
||||
super(conf, csm);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void tryRegionServerReport(long reportStartTime, long reportEndTime)
|
||||
throws IOException {
|
||||
try {
|
||||
super.tryRegionServerReport(reportStartTime, reportEndTime);
|
||||
} catch (YouAreDeadException e) {
|
||||
// ignore, do not abort
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Parameter
|
||||
public Class<? extends WALProvider> walProvider;
|
||||
|
||||
@Parameters(name = "{index}: wal={0}")
|
||||
public static List<Object[]> params() {
|
||||
return Arrays.asList(new Object[] { FSHLogProvider.class },
|
||||
new Object[] { AsyncFSWALProvider.class });
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
UTIL.getConfiguration().setClass(WALFactory.WAL_PROVIDER, walProvider, WALProvider.class);
|
||||
UTIL.getConfiguration().setInt(HConstants.ZK_SESSION_TIMEOUT, 2000);
|
||||
UTIL.getConfiguration().setClass(HConstants.REGION_SERVER_IMPL, IgnoreYouAreDeadRS.class,
|
||||
HRegionServer.class);
|
||||
UTIL.startMiniCluster(2);
|
||||
Table table = UTIL.createTable(TABLE_NAME, CF);
|
||||
for (int i = 0; i < 10; i++) {
|
||||
table.put(new Put(Bytes.toBytes(i)).addColumn(CF, CQ, Bytes.toBytes(i)));
|
||||
}
|
||||
UTIL.getAdmin().flush(TABLE_NAME);
|
||||
for (int i = 10; i < 20; i++) {
|
||||
table.put(new Put(Bytes.toBytes(i)).addColumn(CF, CQ, Bytes.toBytes(i)));
|
||||
}
|
||||
UTIL.getAdmin().flush(TABLE_NAME);
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() throws Exception {
|
||||
UTIL.shutdownMiniCluster();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void test() throws Exception {
|
||||
HRegionServer rsToSuspend = UTIL.getRSForFirstRegionInTable(TABLE_NAME);
|
||||
HRegion region = (HRegion) rsToSuspend.getOnlineRegions(TABLE_NAME).get(0);
|
||||
ZooKeeperWatcher watcher = UTIL.getZooKeeperWatcher();
|
||||
watcher.getRecoverableZooKeeper().delete(
|
||||
ZKUtil.joinZNode(watcher.getZNodePaths().rsZNode, rsToSuspend.getServerName().toString()),
|
||||
-1);
|
||||
UTIL.waitFor(60000, 1000, new ExplainingPredicate<Exception>() {
|
||||
|
||||
@Override
|
||||
public boolean evaluate() throws Exception {
|
||||
for (RegionServerThread thread : UTIL.getHBaseCluster().getRegionServerThreads()) {
|
||||
HRegionServer rs = thread.getRegionServer();
|
||||
if (rs != rsToSuspend) {
|
||||
return !rs.getOnlineRegions(TABLE_NAME).isEmpty();
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String explainFailure() throws Exception {
|
||||
return "The region for " + TABLE_NAME + " is still on " + rsToSuspend.getServerName();
|
||||
}
|
||||
});
|
||||
try {
|
||||
region.compact(true);
|
||||
fail("Should fail as our wal file has already been closed, " +
|
||||
"and walDir has also been renamed");
|
||||
} catch (Exception e) {
|
||||
// expected
|
||||
}
|
||||
Table table = UTIL.getConnection().getTable(TABLE_NAME);
|
||||
// should not hit FNFE
|
||||
for (int i = 0; i < 20; i++) {
|
||||
assertEquals(i, Bytes.toInt(table.get(new Get(Bytes.toBytes(i))).getValue(CF, CQ)));
|
||||
}
|
||||
}
|
||||
}
|
|
@ -18,12 +18,14 @@
|
|||
|
||||
package org.apache.hadoop.hbase.regionserver;
|
||||
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FSDataInputStream;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hbase.HBaseTestingUtility;
|
||||
|
@ -133,6 +135,23 @@ public class TestCorruptedRegionStoreFile {
|
|||
}
|
||||
}
|
||||
|
||||
private void removeStoreFile(FileSystem fs, Path tmpStoreFilePath) throws Exception {
|
||||
try (FSDataInputStream input = fs.open(storeFiles.get(0))) {
|
||||
fs.copyToLocalFile(true, storeFiles.get(0), tmpStoreFilePath);
|
||||
LOG.info("Move file to local");
|
||||
evictHFileCache(storeFiles.get(0));
|
||||
// make sure that all the replicas have been deleted on DNs.
|
||||
for (;;) {
|
||||
try {
|
||||
input.read(0, new byte[1], 0, 1);
|
||||
} catch (FileNotFoundException e) {
|
||||
break;
|
||||
}
|
||||
Thread.sleep(1000);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Test(timeout=180000)
|
||||
public void testLosingFileDuringScan() throws Exception {
|
||||
assertEquals(rowCount, fullScanAndCount(TEST_TABLE.getTableName()));
|
||||
|
@ -148,9 +167,7 @@ public class TestCorruptedRegionStoreFile {
|
|||
public void beforeScanNext(Table table) throws Exception {
|
||||
// move the path away (now the region is corrupted)
|
||||
if (hasFile) {
|
||||
fs.copyToLocalFile(true, storeFiles.get(0), tmpStoreFilePath);
|
||||
LOG.info("Move file to local");
|
||||
evictHFileCache(storeFiles.get(0));
|
||||
removeStoreFile(fs, tmpStoreFilePath);
|
||||
hasFile = false;
|
||||
}
|
||||
}
|
||||
|
@ -174,9 +191,7 @@ public class TestCorruptedRegionStoreFile {
|
|||
public void beforeScan(Table table, Scan scan) throws Exception {
|
||||
// move the path away (now the region is corrupted)
|
||||
if (hasFile) {
|
||||
fs.copyToLocalFile(true, storeFiles.get(0), tmpStoreFilePath);
|
||||
LOG.info("Move file to local");
|
||||
evictHFileCache(storeFiles.get(0));
|
||||
removeStoreFile(fs, tmpStoreFilePath);
|
||||
hasFile = false;
|
||||
}
|
||||
}
|
||||
|
@ -201,7 +216,6 @@ public class TestCorruptedRegionStoreFile {
|
|||
HRegionServer rs = rst.getRegionServer();
|
||||
rs.getCacheConfig().getBlockCache().evictBlocksByHfileName(hfile.getName());
|
||||
}
|
||||
Thread.sleep(6000);
|
||||
}
|
||||
|
||||
private int fullScanAndCount(final TableName tableName) throws Exception {
|
||||
|
|
Loading…
Reference in New Issue